Gaya APA
Westphal, Laurie E.. (2008).
Physical science .
Texas:
Prufrock press.
Gaya Chicago
Westphal, Laurie E..
Physical science.
Texas:
Prufrock press,
2008.
Text.
Gaya MLA
Westphal, Laurie E..
Physical science.
Texas:
Prufrock press,
2008.
Text.
Gaya Turabian
Westphal, Laurie E..
Physical science.
Texas:
Prufrock press,
2008.
Print.